---
kind: "section"
citation: "45 U.S.C. § 183"
title: "45"
title_heading: "Railroads"
number: "183"
heading: "Disputes within jurisdiction of Mediation Board"
release: "119-102"
url: "https://uscodex.org/usc/45/183"
units:
  - "Chapter 8 — Railway Labor"
  - "Subchapter II — Carriers by Air"
---

# §183. Disputes within jurisdiction of Mediation Board


The parties or either party to a dispute between an [employee](/usc/45/151.md) or a group of [employees](/usc/45/151.md) and a [carrier](/usc/45/151.md) or [carriers](/usc/45/151.md) by air may invoke the services of the National [Mediation Board](/usc/45/151.md) and the jurisdiction of said [Mediation Board](/usc/45/151.md) is extended to any of the following cases:

- (a) A dispute concerning changes in rates of pay, rules, or working conditions not adjusted by the parties in conference.
- (b) Any other dispute not referable to an [adjustment board](/usc/45/151.md), as hereinafter provided, and not adjusted in conference between the parties, or where conferences are refused.

  The National [Mediation Board](/usc/45/151.md) may proffer its services in case any labor emergency is found by it to exist at any time.

  The services of the [Mediation Board](/usc/45/151.md) may be invoked in a case under this subchapter in the same manner and to the same extent as are the disputes covered by [section 155 of this title](/usc/45/155.md).


## Source credit

(May 20, 1926, ch. 347, § 203, as added Apr. 10, 1936, ch. 166, 49 Stat. 1189.)